
div.答题闯关{
    background-color: #6391c4;
    width: 360px ;
    height: 640px ;
    border: 1px solid black;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);


}

p.答题闯关标题{
    margin: 0px 0px;
    text-align: center;
    width: 100%;
    height: 60px;
    line-height: 60px;
    color: white;
    background-color: #6391c4;
}

p.今日剩余两次答题次数{
    text-align: center;
    color: gold;
    width: 100%;
    height: 40px;
    line-height: 40px;
    margin-top: 30px;
    background-color: #6391c4;
}

div.排行榜{
    box-sizing: border-box;  /*border计算在width中*/
    width: 20%;
    height: 100px;
    margin-left: 50px;
    border:1px solid black;
    float:left;
    background-color: gold;
}

div.个人闯关答题报告{
    box-sizing: border-box;  /*border计算在width中*/
    width: 20%;
    height: 100px;
    margin-left: 20px;
    border:1px solid black;
    float:left;
    background-color: gold;
}

div.答题闯关统计{
    box-sizing: border-box;  /*border计算在width中*/
    width: 20%;
    height: 100px;
    margin-left: 20px;
    border:1px solid black;
    float:left;
    background-color: gold;
}

button.开始闯关{
    width: 270px;
    height: 35px;
    display:block;
    margin-top: 150px;
    margin-left:auto;
    margin-right:auto;
}

div.底部导航栏{
    background-color: #F4F5F6;
    width: 100%;
    height: 60px;
    position: fixed;
    bottom: 0;
}

div.img{
    padding-left: 15px;
    padding-top: 5px;
}

div.img img {
    width: 50px;
    height: 30px;
}

div.图片下面文字 {
    width: 50px;
    height: 30px;
    padding: 1px;
    font-size: 10px;
    text-align: center;
}

div.点击图片响应 {
    padding: 0 0px;
    float: left;
    width: 71px;
}



